for i in range(1, 10):
    for j in range(1, i + 1):
        print("{}*{}={}\t".format(j, i, j*i), end="")
    print()

print("\n")

for i in range(1, 10):
    for j in range(i, 10):
        print("{}*{}={}\t".format(j, i, j * i), end="")
    print("\n", "\t\t" * i, end="")

# 后面的这个不知道什么意思



